EWAN_PTAct_2_5_3-Instructor
练习 2.5.3：PPP 配置故障排除（教师版）拓扑图
地址表
学习目标
?查找并纠正网络错误
?记录纠正后的网络
场景
配置贵公司路由器的网络工程师缺乏经验，因此，若干配置错误导致了连通性问题。上级要求您排除故障并纠正配置错误，然后记录纠正后的网络。请运用您掌握的 PPP 知识和标准测试方法查找并纠正错误。您要确保所有串行链路均采用 PPP CHAP 身份验证，而且所有网络都可连通。
任务 1：查找并纠正网络错误
?所有时钟频率均使用64000。
?所有 CHAP 口令均使用cisco。
任务 2：记录纠正后的网络
[教师注意事项：以下脚本逐一显示了三台路由器的正确配置。]
R1
R1#show run
!<省略部分输出>
!
hostname R1
!
!
enable secret cisco
!
!
no ip domain lookup
!
username R3 password 0 cisco
username R2 password 0 cisco
!
!
interface FastEthernet0/1
ip address 10.0.0.1 255.255.255.128
no shutdown
!
interface Serial0/0/0
ip address 172.16.0.1 255.255.255.252
encapsulation ppp
clockrate 64000
ppp authentication chap
no shutdown
!
interface Serial0/0/1
ip address 172.16.0.9 255.255.255.252
encapsulation ppp
ppp authentication chap
no shutdown
!
!
router ospf 1
network 10.0.0.0 0.0.0.127 area 0
network 172.16.0.0 0.0.0.3 area 0
network 172.16.0.8 0.0.0.3 area 0
!
!
banner motd ^CCUnauthorized access strictly prohibited and prosecuted to the full extent of the law^C
!
line con 0
exec-timeout 0 0
password cisco
logging synchronous
login
line aux 0
line vty 0 4
password cisco
login
!
end
R2
R2#show run
!<省略部分输出>
!
hostname R2
!
!
enable secret cisco
!
!
no ip domain lookup
!
username R1 password 0 cisco
username R3 password 0 cisco
!
!
!
interface Loopback0
ip address 209.165.200.161 255.255.255.224
!
!
interface Serial0/0/0
ip address 172.16.0.2 255.255.255.252
encapsulation ppp
ppp authentication chap
no shutdown
!
interface Serial0/0/1
ip address 172.16.0.5 255.255.255.252
encapsulation ppp
clockrate 64000
ppp authentication chap
no shutdown
!
!
router ospf 1
network 172.16.0.0 0.0.0.3 area 0
network 172.16.0.4 0.0.0.3 area 0
network 209.165.200.160 0.0.0.31 area 0
!
!
banner motd ^CCUnauthorized access strictly prohibited and prosecuted to the full extent of the law^C
!
line con 0
exec-timeout 0 0
password cisco
logging synchronous
login
line aux 0
line vty 0 4
password cisco
login
!
end
R3
R3#show run
!<省略部分输出>
!
hostname R3
!
!
enable secret cisco
!
!
no ip domain lookup
!
username R1 password 0 cisco
username R2 password 0 cisco
!
!
interface FastEthernet0/1
ip address 10.0.0.129 255.255.255.128
no shutdown
!
interface Serial0/0/0
ip address 172.16.0.10 255.255.255.252
encapsulation ppp
clockrate 64000
ppp authentication chap
no shutdown
!
interface Serial0/0/1
ip address 172.16.0.6 255.255.255.252
encapsulation ppp
ppp authentication chap
no shutdown
!
router ospf 1
network 10.0.0.128 0.0.0.127 area 0
network 172.16.0.4 0.0.0.3 area 0
network 172.16.0.8 0.0.0.3 area 0
!
!
banner motd ^CCUnauthorized access strictly prohibited and prosecuted to the full extent of the law^C
!
line con 0
exec-timeout 0 0
password cisco
logging synchronous
login
line aux 0
line vty 0 4
password cisco
login
!
end